Parents receive 1 out of every 5 Valentines.
20
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
One in five long-term love relationships began with one or both partners being involved with others.
177
In medieval Italy, if a man was caught kissing a woman in public, he had to marry her whether he liked it or not.
456
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
In 1999, a fisherman found a love letter in a bottle from a soldier in WWI. He returned said letter to the now deceased widows 86 year old daughter.
27
Two in five people in the world marry their first love.
270
In Korea, there's a man named Lee Jin-gyu who fell in love and married his life-sized Japanese body pillow (called a "dakimakura").
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